diff --git a/Cargo.toml b/Cargo.toml
index ed1be43..e0e9682 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,10 +8,10 @@ description = "Array support for rust-postgres"
 repository = "https://github.com/sfackler/rust-postgres-array"
 
 [dependencies]
-bytes = "0.5"
+bytes = "1.0"
 fallible-iterator = "0.2"
-postgres-types = "0.1"
-postgres-protocol = "0.5"
+postgres-types = "0.2"
+postgres-protocol = "0.6"
 
 [dev-dependencies]
-postgres = "0.17"
+postgres = "0.19"
diff --git a/circle.yml b/circle.yml
index 290a005..23f9e02 100644
--- a/circle.yml
+++ b/circle.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: rust:1.40.0
+      - image: rust:1.45.0
       - image: postgres:12
         environment:
           POSTGRES_PASSWORD: password